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The chip can be configured to output data transitions on the
rising or falling edge of PIXCLK (Datasheet R58:1[9]), default is on the
falling edge.
Parsing the fw-node is made in a subfunction to bundle all (future)
dt-parsing / fw-parsing stuff.
[m.grzeschik@pengutronix.de: Fix inverting clock. INV_PIX_CLOCK bit is set
per default. Set bit to 0 (enable mask bit without value) to enable
falling edge sampling.]
[m.felsch@pengutronix.de: use fwnode helpers]
[m.felsch@pengutronix.de: mv fw parsing into own function]
[m.felsch@pengutronix.de: adapt commit msg]
[sakari.ailus@linux.intel.com: V4L2 API usage changes to compile
on media tree master]
Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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This patch implements the framerate selection using the skipping and
readout power-modi features. The power-modi cut the framerate by half
and each context has an independent selection bit. The same applies to
the 2x skipping feature.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Currently set_fmt don't care about the streaming status, so the format
can be changed during streaming. This can lead into wrong behaviours.
Check if the device is already streaming and return -EBUSY to avoid
wrong behaviours.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Add callback to check if we are already streaming. Now other callbacks
can check the state and return -EBUSY if we already streaming.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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The mt9m111 has special camera effects feature. This makes use of
it through V4L2_CID_COLORFX control.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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This adds log_status ioctl and event interface for mt9m111's v4l2 controls.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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The V4L2 sub-device API does not support the crop default target. A number
of drivers apparently still did support this, likely as it was needed by
the SoC camera framework. Drop support for the default crop rectaingle in
sub-device drivers, and use the bounds rectangle in SoC camera instead.
Reported-by: Helmut Grohne <h.grohne@intenta.de>
Suggested-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Add nop variant of media_entity_cleanup. This allows calling
media_entity_cleanup whether or not Media controller is enabled,
simplifying driver code.
Also drop #ifdefs on a few drivers around media_entity_cleanup().
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The mt9m111 has the test pattern generator features. This makes use of
it through V4L2_CID_TEST_PATTERN control.
Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Create a source pad and set the media controller type to the sensor.
Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Set the V4L2_SUBDEV_FL_HAS_DEVNODE flag for the subdevice so that the
subdevice device node is created.
Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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v4l2_clk_get() may return different error codes other than -EPROBE_DEFER,
so it is better to return the real error code instead.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The v4l2_subdev_ops structure is only passed as the third argument
of v4l2_i2c_subdev_init, which is const, so the v4l2_subdev_ops
structure can be const as well. The other structures are only
stored in the v4l2_subdev_ops structure, all the fields of which are
const, so these structures can also be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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As the mt9m111 is now working as a standalone v4l2 subdevice sensor,
move it out of soc_camera directory and sever its dependency on
soc_camera.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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